Robtex

Up: 203.67.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.67.136.0/22
Down right: 203.67.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.67.136.16	PTR	lb2235.chinsan.com
203.67.136.16	A	dns2.chinsan.com
203.67.136.19	PTR	asa5510.chinsan.com
203.67.136.19	A	twaln.com
203.67.136.19	A	www.chinsan.com
203.67.136.24	A	www.chulin.com.tw
203.67.136.24	A	ns1.chulin.com.tw
203.67.136.24	A	ns2.chulin.com.tw
203.67.136.25	PTR	mail.chulin.com.tw
203.67.136.48	PTR	mail.sunten.com.tw
203.67.136.60	A	mail.clh.com.tw
203.67.136.80	PTR	h203-67-136-80.host-static.seed.net.tw
203.67.136.96	A+PTR	dns.honhamn.com.tw
203.67.136.99	A+PTR	spam.honhamn.com.tw
203.67.136.100	A	mailsrv.honhamn.com.tw
203.67.136.162	PTR	h203-67-136-162.host-static.seed.net.tw
203.67.140.61	A+PTR	h203-67-140-61.host-dial.seed.net.tw
203.67.140.84	A	h203-67-140-84.host-dial.seed.net.tw
203.67.140.235	A	h203-67-140-235.host-dial.seed.net.tw
203.67.141.41	A+PTR	h203-67-141-41.host-dial.seed.net.tw
203.67.141.90	A+PTR	h203-67-141-90.host-dial.seed.net.tw
203.67.141.101	A	h203-67-141-101.host-dial.seed.net.tw
203.67.141.120	A	h203-67-141-120.host-dial.seed.net.tw
203.67.141.138	A	h203-67-141-138.host-dial.seed.net.tw
203.67.141.154	A+PTR	h203-67-141-154.host-dial.seed.net.tw
203.67.141.165	A	h203-67-141-165.host-dial.seed.net.tw
203.67.141.217	A	h203-67-141-217.host-dial.seed.net.tw
203.67.141.226	A	h203-67-141-226.host-dial.seed.net.tw
203.67.141.235	PTR	h203-67-141-235.host-dial.seed.net.tw
203.67.141.241	PTR	h203-67-141-241.host-dial.seed.net.tw
203.67.141.244	A	h203-67-141-244.host-dial.seed.net.tw
203.67.142.51	A+PTR	h203-67-142-51.host-dial.seed.net.tw
203.67.142.62	A	h203-67-142-62.host-dial.seed.net.tw
203.67.142.169	A+PTR	h203-67-142-169.host-dial.seed.net.tw
203.67.142.175	A+PTR	h203-67-142-175.host-dial.seed.net.tw
203.67.142.203	PTR	h203-67-142-203.host-dial.seed.net.tw
203.67.142.236	A+PTR	h203-67-142-236.host-dial.seed.net.tw
203.67.143.27	A+PTR	h203-67-143-27.host-dial.seed.net.tw
203.67.143.158	A	h203-67-143-158.host-dial.seed.net.tw
203.67.143.186	A	h203-67-143-186.host-dial.seed.net.tw
203.67.143.193	A	h203-67-143-193.host-dial.seed.net.tw
203.67.143.229	A	h203-67-143-229.host-dial.seed.net.tw
203.67.143.235	A	h203-67-143-235.host-dial.seed.net.tw